<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title></title>
	<script src="itcast 2.js"></script>
</head>
<body>
</body>
<script>
	I( document ).mousemove(function ( e ) {
		I( 'title' ).get( 0 ).innerHTML =  e.clientX + ', ' + e.clientY;
		console.log( this );
	})

</script>
</html>